JB

John E. Brain

📍 Keyano, CA: #12 of 55 inventorsTop 25%
Overall (1994): #115,545 of 165,921Top 70%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5311100 Water-activated survival lamp unit and an improved water-responsive switch therefor 1994-05-10